//
// Copyright © 2025 Hardcore Engineering Inc.
//
// Licensed under the Eclipse Public License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License. You may
// obtain a copy of the License at https://www.eclipse.org/legal/epl-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//
// See the License for the specific language governing permissions and
// limitations under the License.
//

import { encode } from 'blurhash'
import { Sharp } from 'sharp'

export async function makeBlurhash (sharp: Sharp): Promise<string> {
  const { data, info } = await sharp
    .resize(32, 32, { fit: 'inside' })
    .raw()
    .ensureAlpha()
    .toBuffer({ resolveWithObject: true })

  return encode(new Uint8ClampedArray(data), info.width, info.height, 4, 4)
}
